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<blockquote data-quote="Doc Hudson" data-source="post: 474552" data-attributes="member: 1607"><p>1.5mm T&amp;E will not be needed just to supply a light or two. 1.0mm will be more than enough. You could do T&amp;E from supply (switch) to sensor then to light, but you would have no means to wire a manual override if you wanted to double check that the lamp works during daylight hours. So you could do 3core+E from supply (switch) to Dusk dawn sensor. Then T&amp;E to light fitting either from switch or sensor whichever is most convenient, So if required you could also wire a manual override switch to turn the lamp on in times before it gets dark enough to trigger dusk/dawn sensor.</p><p></p><p>Typical photocell dusk/dawn switches.</p><p></p><p><a href="https://www.toolstation.com/shop/p62528" target="_blank">https://www.toolstation.com/shop/p62528</a></p><p></p><p><a href="https://www.screwfix.com/p/ced-standalone-photocell/980cg#_=p" target="_blank">https://www.screwfix.com/p/ced-standalone-photocell/980cg#_=p</a></p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 474552, member: 1607"] 1.5mm T&E will not be needed just to supply a light or two. 1.0mm will be more than enough. You could do T&E from supply (switch) to sensor then to light, but you would have no means to wire a manual override if you wanted to double check that the lamp works during daylight hours. So you could do 3core+E from supply (switch) to Dusk dawn sensor. Then T&E to light fitting either from switch or sensor whichever is most convenient, So if required you could also wire a manual override switch to turn the lamp on in times before it gets dark enough to trigger dusk/dawn sensor. Typical photocell dusk/dawn switches. [URL="https://www.toolstation.com/shop/p62528"]https://www.toolstation.com/shop/p62528[/URL] [URL="https://www.screwfix.com/p/ced-standalone-photocell/980cg#_=p"]https://www.screwfix.com/p/ced-standalone-photocell/980cg#_=p[/URL] [/QUOTE]
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